21. By SMCP, choose one of the following sentences for expressing ”Time of arrival at pilot stationis 0925 hrs UTC”
(A) “Information: my reaching at pilot station zero nine two five hours UTC”
(B) “Information: my ETA at pilot station zero nine two five hours UTC”
(C) “Information: my time of arrival at pilot station nine twenty-five AM”.
(D) “Information: my ETA at pilot station is nine twenty-five”.